C\C++ 1A2B小游戏源码

 1 // name:1A2B.cpp  2 // author:Frank  3 // descraption: 1A2B Game, in the beginning, the program will generate a random four-digits number  4 // in which the digits is not equal to each other, you need to guess it, and as you  5 // enter your answer, there would be a tips likes: xAyB. x means the count of right  6 // numbers those are in the right sites, y means the count of right numbers those  7 // are not in the right sites. 4A0B means you have got the right number.  8 #include <iostream>  9 #include <stdlib.h>  10 #include <time.h>  11 #include <string.h>  12 #include <stdbool.h>  13  14 void InitializeGame(void);  15 void GetInput(char * input);  16 bool CheckAnswer(char * input);  17 bool GiveTips(char * input);  18 void GetRandom(char * random);  19 using namespace std;  20  21 char answer[5] = "";  22 char input[10] = "";  23 int times = 0;  24  25 int main(int argc, char** argv) {  26 char c;  27 while (true){  28 cout << "Enter 'S' to start the game, 'Q' to quit." << endl;  29 c = toupper(getchar());  30 while(getchar() != '\n');  31 if (c == 'Q')  32 break;  33 else if(c == 'S'){  34 cout << "Game Start! Enter your answer:" << endl;  35 times = 0;  36 InitializeGame();//初始化游戏  37 // cout << "The answer is: " << answer << endl;   38 GetInput(input); //输入猜测值  39 //检查猜测是否正确 不正确则给出提示   40 while(GiveTips(input) == false){  41 times++;  42  GetInput(input);  43  }  44 times++;  45 cout << "Congratulations! You have got it after " << times << " times." << endl;  46 }else  47 cout << "Only 'S' and 'Q' are received." << endl;  48  }  49  50 return 0;  51 }  52  53 /******************************************************************************  54 *函数名称：void InitializeGame(void)  55 *函数功能：初始化游戏,生成随机数  56 *入口参数：无  57 *返 回 值：无  58 *******************************************************************************/  59 void InitializeGame(void){  60 static bool init_rand = false;  61 if (init_rand == false){  62 srand ((unsigned) time(NULL)); //如果未初始化则初始化随机数种子   63 init_rand = true;  64  }  65 GetRandom(answer);//生成随机数  66 // cout << answer << endl;  67 }  68  69 /******************************************************************************  70 *函数名称：void GetInput(char * input)  71 *函数功能：读取一个字符串  72 *入口参数：返回读取的字符串  73 *返 回 值：无  74 *******************************************************************************/  75 void GetInput(char * input){  76  gets(input);  77 while(true){  78 if(strlen(input) != 4){  79 cout << "Please input a 4-digits number!" << endl;  80  gets(input);  81 continue;  82  }  83 if(CheckAnswer(input) == false){  84 cout << "There couldn't be two same character in your answer!" << endl;  85 gets(input);//不合法则重新输入   86 continue;  87  }  88 break;  89  }  90 }  91  92 /******************************************************************************  93 *函数名称：bool checkanswer(char * input)  94 *函数功能：判断答案是否合法，即是否存在重复数字  95 *入口参数：input为待判断的答案  96 *返 回 值：正确则返回真，否则返回假  97 *******************************************************************************/  98 bool CheckAnswer(char * input){  99 char temp[5]; 100  strcpy (temp, input); 101 for(int i = 0; i < 4; i++){ 102 for(int j = i + 1; j < 4; j++) 103 if(temp[i] == input[j]) 104 return false; 105  } 106 return true; 107 } 108 109 /****************************************************************************** 110 *函数名称：void GiveTips(char * input) 111 *函数功能：根据输入的答案来给出提示 112 *入口参数：待判断的答案 113 *返 回 值：无 114 *******************************************************************************/ 115 bool GiveTips(char * input){ 116 // cout << "I'm checking." << endl; 117 int a = 0, b = 0; 118 for(int i = 0; i < 4; i++){ 119 for(int j = 0; j < 4; j++){ 120 // cout << "i:" << i << "j:" << j << endl;  121 if (input[i] == answer[j]){ 122 if(i == j) 123 a++; 124 else 125 b++; 126 continue; 127  } 128  } 129  } 130 cout << "Tips:" << a << "A" << b << "B\n" << endl; 131 if (a == 4) 132 return true; 133 cout << "Enter another answer:"; 134 return false; 135 } 136 137 /****************************************************************************** 138 *函数名称：void GetRandom(char * random) 139 *函数功能：产生一个各位数不相等的四位随机数 140 *入口参数：random为返回的随机数 141 *返 回 值：无 142 *备 注：先生成一个0-9的整数数组，再随机从中取四个数，每取一个将该位置为-1 143 *******************************************************************************/ 144 void GetRandom(char * random){ 145 int i, j[10], k; 146 for (i = 0; i < 10; i++){ 147 j[i] = i; 148  } 149 for(i = 0; i < 4; i++){ 150 //生成第i个随机数  151 k = (int)rand() % 10;//k为下标  152 while (j[k] == -1){ 153 k = (k + 1) % 10; 154  } 155 random[i] = '0' + j[k]; 156 j[k] = -1; 157  } 158 }